000 00260 a2200109 4500
080 _a628.37
_bS 583 S
245 1 _aSewage disposal experiment in Calcutta
_cby A.E. Silk
260 _c1900
650 _aSewage Disposal
100 1 _aSilk, A.E.
_d
901 _a14670
999 _c40483
_d40483